Service Specifications

1999 Lexus RX 300 AWD V6-3.0L (1MZ-FE)SECTION Service Specifications

12 Pointed Head Bolts
Standard Diameter 7.500-7.600 mm
Minimum Diameter 7.20 mm





12 Pointed Head Bolt
Torque
Step 1 22 Nm
Step 2 Turn extra 90 degrees





Hexagon Head Bolts
Torque 27 Nm

Standard
No.1 and No.4 Journals 0.014-0.034 mm
No.2 and No.3 Journals 0.026-0.046 mm

Maximum
No.1 and No.4 Journals 0.05 mm
No.2 and No.3 Journals 0.06 mm
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.